What is the value of the expression below when x = –2? 5 + 3(x – 7) – (x + 1) A.–23 B.–7 C.–21 D.-5

asked Oct 8, 2017 187k views

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What is the value of the expression below when x = –2?

5 + 3(x – 7) – (x + 1)

A.–23
B.–7
C.–21
D.-5

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4 votes

5 + 3(x-7) - (x+1)

5 + 3(-2-7) - (-2+1)

5 + 3(-9) - (-1)

5 -27 + 1

-21

The answer is C.

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2 votes

The value of the expression is -21.

Mohinder answered Oct 15, 2017

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